Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
7th Edition
ISBN: 9780199339136
Author: Adel S. Sedra, Kenneth C. Smith
Publisher: Oxford University Press
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Chapter 6.3, Problem D6.27E
To determine
A new value for RC so that all fabricated circuits are guaranteed to be in the active mode and the range of collector voltages that the fabricated circuits may exhibit.
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Enrichment-type MOSFET:
Given the transfer characteristics of Fig. 6.58, determine VT and k and write the equation general for ID.
"Bias voltage applied to the emitter electrode of a transistor offers greater stability over bias toward its base."
Why?
How does that actually work? My professor wants a detailed, engineering level explanation for this, and I am struggling to understand this to the degree he is asking. He says having both a positive and negative voltage source at the emitter bias is not necessary, and won't accept this as part of the explanation. Thanks!
A collector power supply voltage of 12 V, was biased to a common-emitter amplifier (6) circuit, a steady base current lg of 0.1 mA enter the transistor through the base terminal and generate a static current gain «, of 50, as shown in F
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Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
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- Draw the load line for Fig. 6-35a. What is the collector current at the saturation point? The collector-emitter voltage at the cutoff point?arrow_forwardIn single transistor amplifier design, it is observed that the voltage gain will always decrease as the load resistance increases. True False The saturation region of MOSFET indicates that the drain current no longer depends on the source-drain voltage while the saturation region of BJT indicates that the collector current no longer depends on the collector-emitter voltage. True False A bipolar junction transistor can be connected to behave like a diode while a field effect transistor can not be connected to behave like a diode. True False A voltage follower circuit is usually designed to have the power gain slightly less than 1 with any passive load. True False A clipper circuit regulates DC voltage input while a clamp circuit regulates AC voltage input. True Falsearrow_forwardIn the circuit shown in Fig. P6.58, the transistor has β =50. Find the values of VB, VE, and VC, and verify that the transistor is operating in the active mode. What is the largest value that RC can have while the transistor remains in the active mode?arrow_forward
- The steady state operation of a transistor depends a great deal on its base current, collector voltage, and collector current values and therefore, if the transistor is to operate correctly as a linear amplifier, it must be properly biased. In your level of understanding, explain how important biasing transistor in a given working electronic Circuit is. Explain also the consequence when such transistor does not biases properlyarrow_forwardFor the transistor , IS = 6 × 10−16 μA, βF = 100, and βR = 0.25. (a) Labelthe collector, base, and emitter terminals of thetransistor. (b) What is the transistor type? (c) Labelthe base-emitter and base-collector voltages, VBEand VBC, and the normal directions for IE , IC, andIB. (d) Find the values of IE , IC, IB, VBC, and VBEif I = 175 μA.arrow_forwardSolve for the collector-emitter voltage for the circuit shown.arrow_forward
- Draw, Illustrate and label your schematic diagram before solving the problem. 1) Given a Fixed-Biased transistor circuit with Beta DC is 200 , voltage at common collector is +22v ,base supply voltage is +11V, Base resistor is 47kOhms , collector resistor is 390 ohms ,Voltage at Base-emitter junction is 0.7v. Determine the Q-point of collector current and Voltage at collector-emitter junction. These might be help as a guide to solve the problem.arrow_forwardDesign the circuit shown to establish a current of 0.5 mA in the emitter and a voltage of –0.5 V at the collector. The transistor vEB = 0.7 V at IE = 1 mA and β = 100. To what value can RC be increased while the collector current remains unchanged?arrow_forwardIn the circuits , the Zener breakdown voltages of the collector-base and emitterbase junctions of the npn transistors are 40 V and6.3 V, respectively. What is the current in the resistor in each circuit? (Hint: The equivalent circuitsfor the transport model equations may help in visualizing the circuit.)arrow_forward
- Sketch all applicable depletion regions for an n-channel MOSFET when the source and drain remain grounded, but an appropriate voltage is applied to the gate to induce a channel.arrow_forwardWhich of the following is true for the transistor shown? A. When a positive voltage is applied to the base, the base current decreases. B. When a positive voltage is applied to the base, the emitter current decreases. C. When a positive voltage is applied to the base, the collector voltage goes less positive.arrow_forwardThe Zener breakdown voltages of the collector-base and emitter-base junctions of the npn transistors are 40 V and 6.3 V, respectively. If V = 5.2 V and R = 26 kΩ, find the current (IR) in the resistor.arrow_forward
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How a MOSFET Works - with animation! | Intermediate Electronics; Author: CircuitBread;https://www.youtube.com/watch?v=Bfvyj88Hs_o;License: Standard Youtube License